(M1.GI.75)
A 73-year-old man presents with complaints of long standing halitosis. He has recently been having progressive difficulty with swallowing. In the last several weeks, he has also noticed a small amount of regurgitated food on his pillow in the morning. You obtain the radiographic study depicted in Figure A. What is the most likely diagnosis?Review Topic

(M1.GI.57)
A 72-year-old Caucasian male presents to your office with dysphagia and halitosis. If this patient is also found to have cricopharyngeal muscle dysfunction, which of the following is the most likely cause of his presenting symptoms?
Review Topic